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NATURE OF OPERATIONS - Revenue Recognition (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Disaggregation of Revenue |  |
Warranty costs | $ 627 | $ 565
Product sales | 43,318 | 51,787
Dealer commission, reimbursed dealer expenses and other similar costs | $ 2,623 | 2,999
Annual curtail payment period | 2 years |
Period required to pay off remaining principle balance | 3 years |
Revenue from contract with customer product and service benchmark | Customer concentration risk | Independent third party and affiliates |  |
Disaggregation of Revenue |  |
Product sales | $ 5,647 | $ 3,134
Concentration risk percentage | 13.00% | 6.70%
Minimum |  |
Disaggregation of Revenue |  |
Term of lease agreement | 96 months |
Maximum |  |
Disaggregation of Revenue |  |
Term of lease agreement | 120 months |

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